@import url('https://fonts.googleapis.com/css2?family=Open+Sans&display=swap');
body {
    font-size: 1.5em;
    background-color: #fff;
    font-family: 'Open Sans', sans-serif;
    overflow: hidden;
}

a {
    color: #a5c525;
    text-decoration: none;
    border-bottom: 3px dotted #a5c525;
}

#center {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
}

#center a {
    width: 300px;
    height: 100px;
    text-align: center;
    background: #a5c525;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

a.hub {
    font-size: 1.5em;
    width: 300px;
    height: 120px;
    border: none;
    color: #fff;
}

a.hub {}

#footer {
    position: absolute;
    bottom: 20;
}